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-rw-r--r--sumofsquares/sosexprbase/mixins/selfdependencemixin.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/sumofsquares/sosexprbase/mixins/selfdependencemixin.py b/sumofsquares/sosexprbase/mixins/selfdependencemixin.py
new file mode 100644
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--- /dev/null
+++ b/sumofsquares/sosexprbase/mixins/selfdependencemixin.py
@@ -0,0 +1,9 @@
+import abc
+
+from sumofsquares.sosexprbase.mixins.dependencemixin import DependenceMixin
+from sumofsquares.sosexprbase.mixins.parametermixin import ParameterMixin
+
+class SelfDependenceMixin(DependenceMixin):
+ @property
+ def dependence(self) -> set[ParameterMixin]:
+ return (self,)